EP0657216B1 - Pipettensystem - Google Patents
Pipettensystem Download PDFInfo
- Publication number
- EP0657216B1 EP0657216B1 EP94116621A EP94116621A EP0657216B1 EP 0657216 B1 EP0657216 B1 EP 0657216B1 EP 94116621 A EP94116621 A EP 94116621A EP 94116621 A EP94116621 A EP 94116621A EP 0657216 B1 EP0657216 B1 EP 0657216B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- syringe
- pipette
- scanning
- pipette system
- flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/54—Labware with identification means
- B01L3/545—Labware with identification means for laboratory containers
- B01L3/5453—Labware with identification means for laboratory containers for test tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
- B01L3/0217—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type
Definitions
- the invention relates to a pipette system according to the Preamble of claim 1.
- Pipette systems of the type mentioned at the outset are often called Repeater or multipipette systems executed which gradually dispense a liquid from a syringe enable.
- a repeater pipette system of the type mentioned Art is known from DE-C-29 26 691, which in particular on the repeater mechanism of the repeater pipette is directed. It also describes the fixation of one Syringe of the system on the repeater pipette. For that she has Syringe a syringe flange into the side a laterally open, essentially U-shaped groove can be used is. An axial pressure spring fixes the one used Syringe flange in the groove.
- Insert element For connecting the Syringe plunger with a plunger actuator is on Insert element provided which an end portion of the Syringe plunger between two jaws.
- the cheeks are by means of a flap-shaped clamping member, the Actuating lever protrudes through an opening from the housing, pressable against the syringe plunger.
- the syringe flange can also be a Have profiling on which a spring-loaded slide the repeater pipette acts.
- the slide is with the Piston control device connected and sets the dosing volume on.
- the syringe flange is profiled so that depending on its rotational position in its housing receptacle different dosing volumes can be set. This enables a user to control the dosage amount the syringe by rotating it in the syringe holder adjust.
- Syringes with different absorption capacities are available posed. These differ with identical Total length due to different mounting cross sections.
- the object of the invention is to create a pipette system that identification an inserted syringe or the condition of the same enables.
- the system is said to be simple Setting the dosage amount without conversion work enable.
- the syringe has an information carrier with information about the Syringe and / or its condition. With the information can it is specific syringe data, such as syringe volume or other constant data. The information other syringe data, e.g. their purity or relate to a filling substance. Further the pipette has a scanning device, which the Reads information on the information carrier. The pipette is able to use the syringe assigned to it to identify and / or determine their condition. The pipette system according to the invention can therefore automatically determine the respective pipetting parameters or to adjust. Extensive work by the user is required for this not necessary anymore.
- an evaluation device be provided by the scanner read information taking into account a Setting value of the piston adjusting device in the value of the currently set dosage amount.
- the scanner is coupled to a display device, which shows the respective dosage amount. This allows the operator to make the syringe type practical Use accordingly and the dosage amount without having to set up expensive conversion work. This also enables continuous adjustment the dosage amount in the available Dosage range. All that is required is the piston actuating device be adjusted, the dosage amount are displayed directly by the display device can.
- the scanner can be mechanically, electrical, optical, magnetic, inductive, capacitive and / or scan acoustically.
- Mechanical, electrical and / or visual working methods also come for that Evaluation device or display device into consideration. It can be a miniaturized electrical Circuit or an LCD display.
- the syringe can be moved axially with the pipette be connected, creating mutual alignment favored by information carrier and scanner can be.
- the recordings for the fastening section and syringe plunger axial openings are recorded for the fastening section and syringe plunger axial openings.
- the attachment section of the syringe preferably serves as Information carrier. With large volume syringes the dimensions be so large that an adapter with a Fastening section for fixing them in a pipette is required. Then the information carrier on the fastening section of the adapter.
- the mounting section is a syringe flange or an adapter flange that also serves as an information carrier can serve.
- the information can be in the arrangement and axial position of scan areas.
- the scan areas are arranged in a wreath (e.g. as a crenellated wreath) so that the syringe into the repeater pipette in different rotary positions can be used.
- a wreath e.g. as a crenellated wreath
- the sampling errors largely excludes. With a total of seven scanning areas can represent enough different syringe volumes be what the practical requirements fully corresponds. It also detects allows incorrect scanning.
- the scanning devices can position sensors for detection the position of scan surfaces.
- the position sensors can Have styli by means of spring devices are pressed axially to the scanning surfaces of the syringe.
- the feeler pins are preferably axially above the flange stop can be pushed out for the syringe flange.
- the styli can also be used for electronic evaluation be coupled with microswitches.
- the styli are designed as axial knobs Ring disk made of elastic soft material such as silicone.
- the knobs enter the bottom of a cavity electrical conductive material.
- the washer is with hers knob-free side mounted on an annular circuit board, with several knobs assigned to each knob are that of the electrical conductive material with each other are electrically connectable.
- the nubbed side can the washer from a mounting washer with Through holes for the knobs fixed on the circuit board be.
- the mounting washer also protects the Pimples from excessive compression by the Syringe flange. This scanner is inexpensive producible and mountable and has great operational reliability on.
- the position sensors can be pressure sensors that are operated by Scanned surfaces pressed and switched in a certain position become.
- Suitable pressure sensors are from the publication "Touch me - keyboards with pressure and position sensors", Construction Practice No. 5, May 1993, 23. Vintage, pages 84, 85. They are also called FSR-TM pressure sensors (Force Sensing Resistor Touch me pressure sensors) designated. They exist in basic execution from two polymer layers that are laminated together. One layer is with interdigitating electrodes, the other is coated with a kind of semiconductor material. in the unloaded state, the output resistance is usually 1 M ⁇ or more. When applying a load on the surface, the output resistance typically drops 400 to 40 k ⁇ . This change in resistance is used as switching information.
- Such pressure sensors have very little switching travel, so they cushioned to compensate for differences in dimensions Pipette housing can be kept.
- one embodiment provides a repeater pipette system in which the scanning, evaluation and / or display devices can be retrofitted. Especially with electronic ones Facilities of the type mentioned are retrofittable relevant.
- Fig. 1 shows a special syringe 1, the detection the admission capacity allowed.
- a cylindrical syringe body 2 is provided, the bottom provided with a push-on cone 3 for a tip is.
- Syringe plunger 4 out, provided with punctures 5 is.
- the upper recess 5 is at the top of a piston collar 6 limited, the fixation in a receiving body Repeater pipette is used.
- the syringe body 2 carries one at the upper end Syringe flange 7.
- the syringe flange 7 has a ring 8 of scanning surfaces 9, which are designed as top-side depressions are. There are two types of scanning surfaces 9, the two different depths of the depressions correspond. The different types of scanning surfaces 9 differ by their axial position on Syringe body 2.
- the ring 8 comprises a total of seven scanning areas 9, the numbers and arrangements of the different Deepens the information about the maximum Includes volume of syringe 1.
- FIG. 2 shows in its parts A to I schematically Design of different scanning areas 9.
- the seven Scanning surfaces 9 are shown in a rectangular shape, being the raised scanning areas, which is a stylus 15 actuate the scanning device 11, blackened are shown.
- the arrangement of these scanning areas results a pattern of nine different (A to I) ways the scanning device 11 in the repeater pipette 23 can clearly recognize and evaluate, independently from the rotational position of the syringe 1 to the scanning device 11.
- the fact that always only evaluate an odd number of raised scan areas is an error detection when a stylus is defective 15 of the scanning device 11 possible, the one display device can report, because then an even number of increased Scanning areas recognized by the scanner becomes.
- the syringe flange has Alignment lugs 10 on upward rejuvenate.
- the scanning device 11 has an annular printed circuit board 12 with conductor tracks 13 on the top.
- the conductor track side of the printed circuit board 12 is an annular disk 14 arranged from silicone.
- the washer 14 has seven Nubs 15, which correspond to the scanning surfaces 9 of the syringe 1 are evenly distributed around the central axis and thus have an angular distance ⁇ of 51.4 ° from each other.
- the knobs 15 have a cavity 16 which is to the side of the Track 13 is open. In the bottom of the cavity 16 the knobs 15 carry an electrical conductive material 17 in Form of a pill or a conductive varnish.
- the knob 15 is elastically compressible, so they spring after their release back to their original form.
- the washer 14 is by means of a fastening washer 18 held on the circuit board 12.
- the mounting ring washer 18 has through holes 19 through which the knobs 15 protrude upwards.
- a repeating pipette system is shown, that the scanning device 11 and the associated Contains syringe 1.
- the system has a repeater pipette 23, which has a receptacle 25 in a pipette housing 24 for the syringe flange 7.
- Above the shot 25 is a spring-loaded stop in the pipette housing 24 26 arranged, which is divided perpendicular to the plane of the drawing.
- a piston holder for the syringe piston 4 arranged in the pipette housing 24 .
- the receiving body 27 is by means of a Drive rod 28 and a repeater mechanism, not shown axially adjustable (e.g. DE-C-29 26 691).
- the syringe grip levers 29 carry inside Cam 32 against the outside of the collar gripping lever 31 are pivotable.
- the pipette housing 24 has an axial opening 33 for the Syringe flange 7 and the receiving body 27 is with an axial opening 34 for the piston 4.
- the scanning device is in this pipetting device 23 11 on the underside of the flange stop 26 fixed, the knobs 15 to the axial opening 33 of the housing 24 are directed.
- the flange receptacle 25 is equipped with guide grooves 35 near the axial opening 33, between which the alignment lugs 10 of the used Syringe 1 are guided.
- Inserting and removing syringe 1 into the repeater pipette 23 is done by the syringe 1 with its flange 7 inserted through the axial opening 33 into the flange receptacle 25 becomes.
- the syringe plunger 4 is through the axial opening 34 is guided into the receiving body 27.
- 27 are syringe flange 7 and piston collar 6 of the spring-loaded gripping levers 29, 31 attacked and held. Effect on insertion the guide grooves 35 align the syringe 1, so that each scanning surface 9 exactly one knob 15 of the scanning device 11 is assigned.
- the syringe 1 is released by pressing the Syringe grip lever 29, which with its cams 32 Also pivot the collar grip lever 31 into the release position.
- the elastic knobs 15 return to their undeformed Starting position back, in which they over their mounting washer 18 stand out. Then they are for detection another coded syringe 1 ready.
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
- Devices For Use In Laboratory Experiments (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Supports For Pipes And Cables (AREA)
- Branch Pipes, Bends, And The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Description
- Fig. 1
- Spritze mit Abtastflächenkranz für Information über das Spritzenvolumen in Seitenansicht;
- Fig. 2
- Codierungen der Abtastflächenkränze von Spritzen verschiedener Volumina in schematischer Darstellung.
- Fig. 3 bis 6
- Abtasteinrichtung mit Noppenscheibe für den Abtastflächenkranz im Querschnitt, im vergrößerten Teilquerschnitt, in Unteransicht und in der Draufsicht;
- Fig. 7
- Noppenscheibe derselben Abtasteinrichtung;
- Fig. 8
- Unterteil einer Repetierpipette mit Abtasteinrichtung und Oberteil einer eingesetzten Spritze mit Abtastflächenkranz im Schnitt entlang Linie VIII-VIII der Fig. 9;
- Fig. 9
- dieselbe Repetierpipette in Unteransicht bei teilweise eingesetzter Spritze (linke Hälfte) und vollständig eingesetzter Spritze (rechte Hälfte);
- Fig. 10
- dasselbe Repetierpipettensystem in einem Schnitt entlang Linie X-X der Fig. 11 mit unbetätigten Betätigungseinrichtungen (rechte Hälfte) und betätigten Betätigungseinrichtungen (linke Hälfte);
- Fig. 11
- dieselbe Repetierpipette in Unteransicht.
Claims (18)
- Pipettensystem mit einer einen Spritzenflansch (7) und eine Spritzenkolben (4) aufweisenden Spritze (1) und einer Pipette (23), die in einem Pipettengehäuse (24) eine Aufnahme (25) für den Spritzenflansch (7) und in einem Aufnahmekörper (27) eine Kolbenaufnahme für den Spritzenkolben (4), Befestigungseinrichtungen (29, 31) zum reversiblen Fixieren von Spritzenflansch (7) und Spritzenkolben (4) in ihren Aufnahmen und Kolbenstelleinrichtungen (28) zum Verschieben des Aufnahmekörpers (27) im Pipettengehäuse (24) aufweist, wobei die Spritze (1) einen Informationsträger (8) mit einer Information über die Spritze und/oder deren Zustand aufweist, und die Pipette (23) eine Abtasteinrichtung (11) für die Information auf dem Informationsträger (8) und eine Auswerteeinrichtung für die von der Abtasteinrichtung (11) gelesene Information hat, dadurch gekennzeichnet, daß Spritzenflansch (7) und der Spritzenkolben (4) durch Axialöffnungen (33, 34) ihrer Aufnahmen (25, 27) axial in ihre Befestigungspositionen in der Pipette (23) schiebbar sind, wobei der Informationsträger (8) in eine Abtastposition bezüglich der Abtasteinrichtung (11) gelangt, und daß der Spritzenflansch (7) einen Kranz (8) mit mehreren axial gerichteten Abtastflächen (9) an einer axialen Position als Informationsträger aufweist, wobei die Spritze (1) in verschiedenen Drehstellungen in die Pipette (23) einsetzbar ist.
- Pipettensystem nach Anspruch 1, dadurch gekennzeichnet, daß die Abtasteinrichtung (11) mechanisch, elektrisch, optisch, magnetisch, induktiv, kapazitiv und/oder akustisch abtastet.
- Pipettensystem nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Informationsträger an einem Adapterflansch eines mit der Spritze (1) verbundenen Adapters ausgebildet ist.
- Pipettensystem nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Abtastfläche (9) zwei verschiedene axiale Positionen an der Spritze (1) haben kann.
- Pipettensystem nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß insgesamt sieben Abtastflächen (9) vorgesehen sind.
- Pipettensystem nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Spritzenflansch (7) mindestens eine Ausrichtnase (10) und die Flanschaufnahme (25) mindestens eine Führungsnut (35) für die Ausrichtnase haben.
- Pipettensystem nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Abtasteinrichtungen Lagesensoren (11) zum Erfassen der Position von Abtastflächen (9) sind.
- Pipettensystem nach Anspruch 7, dadurch gekennzeichnet, daß die Lagesensoren (11) Taststifte (15) aufweisen, die von einer Federeinrichtung axial zu den Abtastflächen (9) der Spritze (1) gedrückt sind.
- Pipettensystem nach Anspruch 8, dadurch gekennzeichnet, daß die Taststifte (15) von der Federeinrichtung axial über einen Anschlag (18) für den Befestigungsabschnitt (7) hinausdrückbar sind.
- Pipettensystem nach Anspruch 8 oder 9, dadurch gekennzeichnet, daß die Taststifte (1) mit Mikroschaltern (17, 13) gekoppelt sind.
- Pipettensystem nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, daß die Taststifte axiale Noppen (15) an einer Ringscheibe (14) aus elastischem Weichmaterial sind, die Noppen einen zur noppenfreien Seite der Ringscheibe hin geöffneten Hohlraum (16) haben, die Noppen innen ein elektrisches Leitmaterial (17) tragen und die Ringscheibe mit ihrer noppenfreien Seite an einer ringförmigen Leiterplatte (12) mit unterhalb jedes Noppens angeordneten mehreren Leiterbahnen (13) anliegt.
- Pipettensystem nach Anspruch 11, dadurch gekennzeichnet, daß die genoppte Seite der Ringscheibe (14) von einer Befestigungsringscheibe (18) mit Durchtrittslöchern (19) für die Noppen (15) an der Leiterplatte (12) fixiert ist.
- Pipettensystem nach Anspruch 7, dadurch gekennzeichnet, daß die Lagesensoren von Abtastflächen (9) in bestimmter Position geschaltete Drucksensoren sind.
- Pipettensystem nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß die Pipette (23) eine Auswerteeinrichtung für die von der Abtasteinrichtung (11) gelesene Information unter Berücksichtigung eines Einstellweites der Kolbenstelleinrichtungen (28), und eine Anzeigeeinrichtung für die jeweilige Dosierungsmenge hat.
- Pipettensystem nach Anspruch 14, dadurch gekennzeichnet, daß mechanisch, elektrisch und/oder optisch arbeitende Auswerteeinrichtungen und/oder Anzeigeeinrichtungen vorgesehen sind.
- Pipettensystem nach Anspruch 15, dadurch gekennzeichnet, daß die Auswerteeinrichtungen eine miniaturisierte elektrische Schaltung aufweisen.
- Pipettensystem nach Anspruch 15 oder 16, dadurch gekennzeichnet, daß die Anzeigeeinrichtungen eine LCD-Anzeige aufweisen.
- Pipettensystem nach einem der Ansprüche 1 bis 17, dadurch gekennzeichnet, daß die Abtasteinrichtungen (11), Auswerteeinrichtungen und/oder Anzeigeeinrichtungen nachrüstbar sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4342178A DE4342178C2 (de) | 1993-12-10 | 1993-12-10 | Pipettensystem |
DE4342178 | 1993-12-10 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0657216A2 EP0657216A2 (de) | 1995-06-14 |
EP0657216A3 EP0657216A3 (de) | 1996-06-26 |
EP0657216B1 true EP0657216B1 (de) | 1999-05-12 |
Family
ID=6504686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94116621A Expired - Lifetime EP0657216B1 (de) | 1993-12-10 | 1994-10-21 | Pipettensystem |
Country Status (8)
Country | Link |
---|---|
US (1) | US5620661A (de) |
EP (1) | EP0657216B1 (de) |
JP (1) | JP3573809B2 (de) |
AT (1) | ATE179909T1 (de) |
CA (1) | CA2137425C (de) |
DE (2) | DE4342178C2 (de) |
ES (1) | ES2133460T3 (de) |
FI (1) | FI109337B (de) |
Cited By (14)
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DE102007010299A1 (de) | 2007-03-02 | 2008-09-04 | Eppendorf Ag | Handpipettiervorrichtung |
EP2279791A1 (de) | 2009-07-27 | 2011-02-02 | Eppendorf Ag | Spritze, Spritzenfamilie und Dosiervorrichtung |
DE102009034897A1 (de) | 2009-07-27 | 2011-02-03 | Eppendorf Ag | Spritze, Spritzenfamilie und Dosiervorrichtung |
EP2371455A2 (de) | 2006-02-28 | 2011-10-05 | Eppendorf AG | System und Verfahren zum Titrieren von Flüssigkeiten |
EP2574402A1 (de) | 2011-09-30 | 2013-04-03 | Eppendorf Ag | Spritze mit Spritzenzylinder mit Kodierung und Prüfelementen |
DE102011114688A1 (de) | 2011-10-04 | 2013-04-04 | Eppendorf Ag | Handdosiervorrichtung |
EP2656915A1 (de) | 2012-04-23 | 2013-10-30 | Eppendorf AG | Pipette zum Betätigen einer Spritze |
EP2656916A1 (de) | 2012-04-23 | 2013-10-30 | Eppendorf AG | Verfahren zum Dosieren von Flüssigkeit mittels einer Pipette und einer Spritze und Pipette zum Betätigen einer Spritze zum Dosieren von Flüssigkeit |
DE102012011938A1 (de) | 2012-06-18 | 2013-12-19 | Eppendorf Ag | Pipette zum Betätigen einer Spritze |
EP2783753A1 (de) | 2013-03-28 | 2014-10-01 | Eppendorf Ag | Dispenser zum Betätigen einer Spritze |
WO2016001010A1 (de) | 2014-07-04 | 2016-01-07 | Eppendorf Ag | Pipette zum betätigen einer spritze |
DE102014017971A1 (de) | 2014-12-04 | 2016-06-09 | Eppendorf Ag | Pipettiervorrichtung und Verfahren zum Betreiben einer Pipettiervorrichtung |
EP3260822A1 (de) | 2016-06-21 | 2017-12-27 | Eppendorf Ag | Mehrkanalspritze für den gebrauch mit einer dosiervorrichtung |
EP3335795A1 (de) | 2016-12-16 | 2018-06-20 | Eppendorf AG | Verfahren zum dosieren von flüssigkeit mittels einer pipette und einer spritze und pipette zum betätigen einer spritze zum dosieren von flüssigkeit |
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EP0801309A3 (de) * | 1996-04-08 | 1998-08-12 | SANYO ELECTRIC Co., Ltd. | Pipettiervorrichtung |
DE19626234A1 (de) * | 1996-06-29 | 1998-01-02 | Innova Gmbh | Vorrichtung zur kontaminationsfreien Zu- und Abfuhr von Flüssigkeiten |
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DE19915066C2 (de) * | 1999-04-01 | 2001-09-13 | Brand Gmbh & Co Kg | Verfahren zur Erkennung des Typs von austauschbaren gerätespezifischen Kolben-Zylinder-Einheiten für Pipettier- oder Dosiergeräte sowie Pipettier- und Dosiersystem |
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US7641859B2 (en) * | 2004-02-11 | 2010-01-05 | Matrix Technologies Corporation | Pipette tip mounting and ejection assembly and associated pipette tip |
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FI118955B (fi) | 2006-04-25 | 2008-05-30 | Biohit Oyj | Pipetin kärjen valintamenetelmä ja laite menetelmän toteuttamiseksi |
US20080078258A1 (en) * | 2006-09-28 | 2008-04-03 | Price West L | Multi-component pipette tip and associated methods |
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EP2197584A4 (de) * | 2007-09-19 | 2011-08-03 | Sorenson Bioscience Inc | Pipettenspitzenträger und zugehörige verfahren |
ES2784010T3 (es) * | 2007-11-08 | 2020-09-21 | Aea Srl | Conjunto para accionar una jeringa |
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DE102009016590A1 (de) * | 2009-03-31 | 2010-10-07 | Eppendorf Ag | Dosiervorrichtung |
DE202009019205U1 (de) | 2009-07-27 | 2019-04-23 | Eppendorf Ag | Spritze, Spritzenfamilie und Dosiervorrichtung |
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DE202010009747U1 (de) * | 2010-07-01 | 2010-11-18 | Brand Gmbh + Co Kg | Pipette für ein Pipettensystem mit Pipette und Spritze |
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US9291529B2 (en) | 2011-09-30 | 2016-03-22 | Eppendorf Ag | Syringe for use with a metering device |
US9289762B2 (en) | 2012-04-23 | 2016-03-22 | Eppendorf Ag | Method for dosing a liquid using a pipette and a syringe, and pipette for operating a syringe for dosing a liquid |
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DE202017101007U1 (de) * | 2017-02-23 | 2018-05-24 | Brand Gmbh + Co Kg | Austauschbare Kolben-Zylinder-Einheit für einen Dispenser, Dispenser und System zum Aufnehmen und Abgeben von Fluidvolumina |
US11911767B2 (en) | 2019-10-25 | 2024-02-27 | Mettler-Toledo Rainin, LLC | Positive displacement pipette syringe identification system |
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DE2926691C2 (de) * | 1979-07-02 | 1983-05-26 | Eppendorf Gerätebau Netheler + Hinz GmbH, 2000 Hamburg | Repetierpipette |
US4671123A (en) * | 1984-02-16 | 1987-06-09 | Rainin Instrument Co., Inc. | Methods and apparatus for pipetting and/or titrating liquids using a hand held self-contained automated pipette |
FI852704L (fi) * | 1985-07-08 | 1987-01-09 | Labsystems Oy | Eldriven pipett. |
CH671526A5 (de) * | 1985-12-17 | 1989-09-15 | Hamilton Bonaduz Ag | |
US4821586A (en) * | 1988-02-25 | 1989-04-18 | Medical Laboratory Automation, Inc. | Programmable pipette |
US4988481A (en) * | 1989-01-30 | 1991-01-29 | Labsystems Oy | Electrical pipette |
US5089229A (en) * | 1989-11-22 | 1992-02-18 | Vettest S.A. | Chemical analyzer |
FI87740C (fi) * | 1990-05-04 | 1994-04-08 | Biohit Oy | Pipett |
-
1993
- 1993-12-10 DE DE4342178A patent/DE4342178C2/de not_active Expired - Lifetime
-
1994
- 1994-10-21 ES ES94116621T patent/ES2133460T3/es not_active Expired - Lifetime
- 1994-10-21 EP EP94116621A patent/EP0657216B1/de not_active Expired - Lifetime
- 1994-10-21 AT AT94116621T patent/ATE179909T1/de active
- 1994-10-21 DE DE59408243T patent/DE59408243D1/de not_active Expired - Lifetime
- 1994-12-06 CA CA002137425A patent/CA2137425C/en not_active Expired - Lifetime
- 1994-12-09 JP JP33152394A patent/JP3573809B2/ja not_active Expired - Lifetime
- 1994-12-09 FI FI945786A patent/FI109337B/fi not_active IP Right Cessation
- 1994-12-12 US US08/353,752 patent/US5620661A/en not_active Expired - Lifetime
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WO2017220673A1 (de) | 2016-06-21 | 2017-12-28 | Eppendorf Ag | Mehrkanalspritze für den gebrauch mit einer dosiervorrichtung |
US11130121B2 (en) | 2016-06-21 | 2021-09-28 | Eppendorf Ag | Multichannel syringe for use with a metering device |
EP3335795A1 (de) | 2016-12-16 | 2018-06-20 | Eppendorf AG | Verfahren zum dosieren von flüssigkeit mittels einer pipette und einer spritze und pipette zum betätigen einer spritze zum dosieren von flüssigkeit |
Also Published As
Publication number | Publication date |
---|---|
FI109337B (fi) | 2002-07-15 |
JPH07194698A (ja) | 1995-08-01 |
ATE179909T1 (de) | 1999-05-15 |
CA2137425C (en) | 2004-11-30 |
DE4342178A1 (de) | 1995-06-29 |
DE59408243D1 (de) | 1999-06-17 |
EP0657216A2 (de) | 1995-06-14 |
FI945786A (fi) | 1995-06-11 |
ES2133460T3 (es) | 1999-09-16 |
EP0657216A3 (de) | 1996-06-26 |
DE4342178C2 (de) | 1995-09-28 |
FI945786A0 (fi) | 1994-12-09 |
US5620661A (en) | 1997-04-15 |
JP3573809B2 (ja) | 2004-10-06 |
CA2137425A1 (en) | 1995-06-11 |
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